Open source

The building blocks behind Maxint, shared.

Shipping one app on every platform meant building pieces that didn’t exist yet: SDKs for Orca, bank connections that work everywhere, and clients for the APIs we rely on. We publish them so other developers don’t have to build them again.

Maxint on GitHub

Orca SDKs

Clients for Orca, our subscription infrastructure, on every platform it supports.

  • Orca for Apple platformsSwift · MIT · maxint-app/orca-appleNative Orca SDK for iOS, macOS, tvOS, watchOS and visionOS.
  • Orca for AndroidKotlin · MIT · maxint-app/orca-androidNative Orca SDK for Android.
  • Orca for FlutterDart · MIT · maxint-app/flutter_orcaClient-side Flutter library for Orca, built on Flutter’s in_app_purchase plugin.
  • Orca for TypeScriptTypeScript · MIT · maxint-app/orca-sdk-jsTypeScript client for the Orca API.
  • Orca server SDK for GoGo · MIT · maxint-app/orca-server-sdk-goGo client for Orca’s server API, for tenants’ back ends.

Bank connections

The pieces we use to connect Maxint to financial institutions, on every platform.

  • plaid_universalFlutter · MPL-2.0 · maxint-app/plaid_universalPlaid Link plugin for Flutter on iOS, Android, macOS, Linux, Windows and the web.
  • teller_connectFlutter · MPL-2.0 · maxint-app/teller_connectTeller Connect for Flutter.
  • teller-goGo · MIT · maxint-app/teller-goGo client for the Teller API.
  • teller-nodeTypeScript · MIT · maxint-app/teller-nodeNode.js client for the Teller API.
  • GoCardless Bank Account Data for GoGo · MIT · maxint-app/gocardless-bankaccounts-data-api-goGo SDK for the GoCardless Bank Account Data API.

App stores and subscriptions

Tools for selling apps and subscriptions across stores.

  • App Store Connect SDK for GoGo · MPL-2.0 · maxint-app/appstore-connect-sdkGo SDK for Apple’s App Store Connect API.
  • Adapty SDK for FlutterDart · MIT · maxint-app/AdaptySDK-FlutterOur maintained fork of Adapty’s Flutter SDK for in-app purchases.
  • adapty-nodeTypeScript · MIT · maxint-app/adapty-nodeNode.js client for Adapty’s server API.
  • revenuecat-tsTypeScript · MPL-2.0 · Archived · maxint-app/revenuecat-tsTypeScript client for the RevenueCat API, generated with OpenAPI Generator. No longer maintained.

Models

Our Finsight language models, adapted from Qwen3-14B for financial reasoning, are on Hugging Face under the Apache 2.0 license, with the methods and results on our research page.

Found a bug or want to contribute? Open an issue or pull request on the repository, or say hello on Discord.